Table of contents front panel features: input/db cut 3 overdrive controls 3 compressor/pre gain controls 3 eq controls 4 valve-dynamic eq controls 5 phones jack 5 power switch 5 rear panel features: ac power input 6 speaker outputs 6 footswitch input 6 direct output/level control 7 effects loop 7 tu...
Rb series front panel features input/-10db cut: the main guitar input for the amplifier. Using a high quality instrument cable, simply connect your guitar to this 1/4” input jack. The -10db switch can be used with basses that use an on-board preamp with active tone controls. You can use the -!0db cu...
Rb series front panel features - cont. Bass control: a passive low end control that adjusts the sub low frequencies of the preamp circuit. Set flat to start and adjust to find the desired amount of low end. Treble control: a passive high end control that adjusts the amount of high frequencies of the...
Rb series front panel features - cont. Valve-dynamic bottom/density controls this is the very unique section of the rb series bass amplifiers. Each rb series amp includes an active bottom and density control which eq’s the power section for more low end tube warmth and high end shine. The tube drive...
Ac inlet: each unit includes an ac power cord for the country that you live in. Attach the included ac power cord from this ac inlet to a standard wall outlet or preferred power conditioner. Once plugged in, the unit is ready for power up. If the amp does not power up, please check the fuse located ...
Direct output: a preamp output that allows you to send a balanced signal using an xlr cable to either a house mixing console for live stage use, or to a studio recording console. This section includes a pre/post loop option if you are using the effect loop. The ground lift is if you should encounter...
Troubleshooting guide tube noise: because valve-dynamic is tube hybrid design, you may encounter some usual tube noise and/or microphonics over time. As with any tube amplifier we recommend that you carry a spare 12at7 for this amp as the tube will need to be replaced. You can diagnose a tube relate...
Www.Randallamplifiers.Com randall amplifiers is a division of u.S. Music corp 444 east courtland street. Mundelein, illinois usa 60060 e-mail: info@randallamplifiers.Com phone: 847-949-0444 fax: 847-949-8444 register your warranty on-line at www.Randallamplifiers.Com/about/warranty/randallreg.Asp.
